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P1133 Diagnostic Trouble Code Discussion for March 2005

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching


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Trouble Ticket Help Requests for DTC P1133
Help Request Posted
1995 Chevrolet Blazer 4.3L Poor Idle Quality, Surge, Stall VIN: 1GNDT13W5S
the truck initially came in for a "crank but won't start concern". the truck was cranking slow, we recharged the battery. cranks fine but found ignition wires flashing over and the spark plugs were very worn with carbon built up on them. performed a co...
March 15, 2005
1995 Chevrolet Blazer 4.3L Poor Idle Quality, Surge, Stall VIN: 1GNDT13W5S
the truck initially came in for a "crank but won't start concern". the truck was cranking slow, we recharged the battery. cranks fine but found ignition wires flashing over and the spark plugs were very worn with carbon built up on them. performed a co...
March 15, 2005